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ISLAMABAD: Pakistan Railways has replaced old mechanical signaling with Computerized Interlocking System (CBIS) at 22 railway stations to prevent accidents and ensure smooth train operation from...
[[ This is a content summary only. Visit my website for full links, other content, and more! ]] أكثر... ??????? ??????: Railways replaces old mechanical signaling with CBIS at 22 stations || ??????: ahlam1399 || ??????: اسم منتداك
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